Publication Abstracts

Tishkovets et al. 2004

Tishkovets, V., P. Litvinov, E. Petrova, K. Jockers, and M. Mishchenko, 2004: Backscattering effects for discrete random media: Theoretical results. In Photopolarimetry in Remote Sensing. G. Videen, Y. Yatskiv, and M. Mishchenko, Eds., Kluwer Academic Publishers, pp. 221-242.

The effect of enhanced backscattering of light from discrete random media, often referred to as the coherent photometric opposition effect (or weak photon localization), is a remarkable optical phenomenon that is being actively studied. When the incident light is unpolarized, the opposition intensity peak can be accompanied by the so-called opposition polarization effect, which manifests itself as a sharp asymmetric negative-polarization feature at small phase angles. The optical phenomenon that causes these effects is the constructive interference of multiply scattered waves propagating along the same light-scattering paths in a medium but in opposite directions. The theoretical description of multiple scattering becomes more complicated for closely packed media because of potentially significant near-field effects that can significantly depress the photometric opposition peak and increase the depth of the negative-polarization feature. In this chapter, we discuss the opposition effects for semi-infinite sparse scattering media and study their dependence on concentration and microphysical properties of the constituent scatterers. Manifestations of the near-field interactions are illustrated by theoretical calculations for randomly oriented clusters of spherical particles.

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BibTeX Citation

@inbook{ti05000n,
  author={Tishkovets, V. and Litvinov, P. and Petrova, E. and Jockers, K. and Mishchenko, M.},
  editor={Videen, G. and Yatskiv, Y. and Mishchenko, M.},
  title={Backscattering effects for discrete random media: Theoretical results},
  booktitle={Photopolarimetry in Remote Sensing},
  year={2004},
  pages={221--242},
  publisher={Kluwer Academic Publishers},
  address={Dordrecht, Netherlands},
}

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RIS Citation

TY  - CHAP
ID  - ti05000n
AU  - Tishkovets, V.
AU  - Litvinov, P.
AU  - Petrova, E.
AU  - Jockers, K.
AU  - Mishchenko, M.
ED  - Videen, G.
ED  - Yatskiv, Y.
ED  - Mishchenko, M.
PY  - 2004
TI  - Backscattering effects for discrete random media: Theoretical results
BT  - Photopolarimetry in Remote Sensing
SP  - 221
EP  - 242
PB  - Kluwer Academic Publishers
CY  - Dordrecht, Netherlands
ER  -

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